Yes — sumoheng.monster has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
sumoheng.monster has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::6815:3243 answers · 443✓ 2606:4700:3035::ac43:9e73 answers · 443
yes
www over IPv6
www.sumoheng.monster has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3035::ac43:9e73 answers · 443✓ 2606:4700:3037::6815:3243 answers · 443
yes
Mail servers (MX) have IPv6
No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.		yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
brit.ns.cloudflare.com ✓tanner.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://sumoheng.monster/ via 2606:4700:3037::6815:3243 → 200
works
 Which outside scripts, fonts, payments or chat sumoheng.monster loads from have no IPv6.
 Load sumoheng.monster over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/sumoheng.monster.svg)](https://aaaa.bot/sumoheng.monster)

Check again

sumoheng.monster  Has IPv6

A (IPv4)172.67.158.115
104.21.50.67
AAAA (IPv6)2606:4700:3037::6815:3243
2606:4700:3035::ac43:9e73

www.sumoheng.monster  Has IPv6

A (IPv4)172.67.158.115
104.21.50.67
AAAA (IPv6)2606:4700:3035::ac43:9e73
2606:4700:3037::6815:3243

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

 Permanent link: aaaa.bot/r/lTO1gVA4Ub · How we measure

Checked 2026-11-06 14:28:58 UTC. Full DNS report: dns.pizza/domain/sumoheng.monster · Age, certificate and blocklists: how.is/sumoheng.monster · JSON: /api/v1/sumoheng.monster